Properties of the Number 30026

Thirty Thousand Twenty-Six

Basics

Value: 30025 → 30026 → 30027

Parity: even

Prime: No

Previous Prime: 30013

Next Prime: 30029

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 15013

Divisors: 1, 2, 15013, 30026

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010101001010

Octal: 72512

Duodecimal: 15462

Hexadecimal: 754a

Square: 901560676

Square Root: 173.28012003689287

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of maximal sum-free subsets of {1,2,...,n}. A121269

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) = 16, where τ is the number of divisors function A000005. A350686

Indices of the start of 10 successive distinct digits in the decimal expansion of π. A258157

Integers that reach the (47360, 29127) cycle described in A234534, after iterations of numerator(σ(n)/n) = A017665(n). A249614

Numbers k such that primorial base expansion of A276086(k) has the primorial base expansion of A003415(k) as its suffix, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. A383933

θ series of 12-dimensional extremal 15-modular lattice. A30026

A symmetrical triangle of polynomial coefficients:p(x,n)=If[n == 0, 1, (1 - x)^{n + 1}*Sum[((2·k + 1)ⁿ + (k + 1)ⁿ + kⁿ)*x^k, {k, 0, Infinity}]/2]. A177984